to become happier or more cheerful
стать более счастливым или более бодрым (stat' bolee schastlivym ili bolee bodrym)
"Her face brightened up when she saw her friends."
"Её лицо осветлилось, когда она увидела своих друзей." (eyo litso osvetlilos', kogda ona uvidela svoikh druzey)
to improve or develop something beyond its current state
in prison
to focus only on positive thoughts and energy
Prepared to continue something for a long time.
to stop something; to end support for a project or activity
a group of experts developing new ideas or policies